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Chapter 2: Installation
2-7
ATX PS/2 Keyboard and PS/2
Mouse Ports
The ATX PS/2 keyboard and PS/2
mouse are located next to the Back
Panel USB Ports 0/1 on the mother-
board. See the table at right for pin
denitions.
PS/2 Keyboard/Mouse Pin
Denitions
PS2 Keyboard PS2 Mouse
Pin# Denition Pin# Denition
1 KB Data 1 Mouse Data
2 No Connection 2 No Connection
3 Ground 3 Ground
4 Mouse/KB VCC
(+5V)
4 Mouse/KB VCC
(+5V)
5 KB Clock 5 Mouse Clock
6 No Connection 6 No Connection
VCC: with 1.5A PTC (current limit)
1
2
Keyboard (Purple)
Mouse (Green)
JF1
J13
JL1
R52
R53
JPL1
JPL2
FAN3
FAN1
FAN_NB
41
FAN2
J3
J51
J46
JP5
JP4
BT1
JBT1
TP_ICH3
Tested to Comply
With FCC Standards
FOR HOME OR OFFICE USE
X7SLA-H
DESIGNED IN USA
NIC
I-SATA3
I-SATA2
I-SATA1
I-SATA0
SLOT7 PCI-E X4 in X8
SLOT6 PCI-E X8
USB2/3
COM2
USB4/5
USB6
JBT1:CMOS CLEAR
IDE
SLOT5 PCI 33MHZ
1-2:ENABLE
2-3:DISABLE
JPL1-2:LAN1/2
INTRUSION
JL1:CHASSIS
LAN2
LAN1
VGA
COM1
X
LED
PWRHDD
NIC
/FF
OHRSTPWR ON
1
JF1
DIMM1A
DIMM1B
JPW1
JPW2 for Device Power Only
KB/MOUSE
USB7
USB0/1
CPU
945GC
ICH7R
1
2
Back Panel Connectors